Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1980__30_1_a6, author = {Zelinka, Bohdan}, title = {Bases of classes of trees closed under subdivisions}, journal = {Mathematica slovaca}, pages = {61--64}, publisher = {mathdoc}, volume = {30}, number = {1}, year = {1980}, mrnumber = {568215}, zbl = {0427.05026}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1980__30_1_a6/} }
Zelinka, Bohdan. Bases of classes of trees closed under subdivisions. Mathematica slovaca, Tome 30 (1980) no. 1, pp. 61-64. http://geodesic.mathdoc.fr/item/MASLO_1980__30_1_a6/